A. They are describing a new dustbin.
B. They are discussing the protection of environment.
C. They are collecting used batteries.
D. They are looking forward to attending a lecture.
A. To make full use of the metals left.
B. To protect the forest resources from being destroyed.
C. To call for stopping using plastic meal-boxes.
D. To awaken people to the environmental problem.
A. She will attend the lecture.
B. She will draw up a program.
C. She will join the "Green Movement".
D. She is not sure what she will do.